Girard-Perregaux Planetarium Tri-Axial Tourbillon

A triple-axis tourbillon like Girard-Perregaux’s is a huge feat of engineering requiring extraordinary expertise to create one. The watchmaker’s first triple-axis tourbillon was released in 2014. Now Girard-Perregaux has upped its complexity by adding a 24-hour globe and moonphase display set in an aventurine dial. As a result, its new Planetarium Tri-Axial Tourbillon ($321,000) is […]